Ubuntu.comUB:CVE-2019-17021CVE-2019-17021
2.6 Low
CVSS2
Attack Vector
NETWORK
Attack Complexity
HIGH
Authentication
NONE
Confidentiality Impact
PARTIAL
Integrity Impact
NONE
Availability Impact
NONE
AV:N/AC:H/Au:N/C:P/I:N/A:N
5.3 Medium
CVSS3
Attack Vector
NETWORK
Attack Complexity
HIGH
Privileges Required
NONE
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
NONE
Availability Impact
NONE
CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:N/A:N
0.008 Low
EPSS
Percentile
81.6%
During the initialization of a new content process, a race condition occurs
that can allow a content process to disclose heap addresses from the parent
process. Note: this issue only occurs on Windows. Other operating systems
are unaffected.. This vulnerability affects Firefox ESR < 68.4 and Firefox
< 72.
Notes
| Author | Note |
|---|---|
| tyhicks | mozjs contains a copy of the SpiderMonkey JavaScript engine |
References
bugzilla.mozilla.org/show_bug.cgi?id=1599008
launchpad.net/bugs/cve/CVE-2019-17021
nvd.nist.gov/vuln/detail/CVE-2019-17021
security-tracker.debian.org/tracker/CVE-2019-17021
www.cve.org/CVERecord?id=CVE-2019-17021
www.mozilla.org/en-US/security/advisories/mfsa2020-01/#CVE-2019-17021
www.mozilla.org/en-US/security/advisories/mfsa2020-02/#CVE-2019-17021
www.mozilla.org/en-US/security/advisories/mfsa2020-04/#CVE-2019-17021
www.mozilla.org/security/advisories/mfsa2020-01/
www.mozilla.org/security/advisories/mfsa2020-02/
Related
2.6 Low
CVSS2
Attack Vector
NETWORK
Attack Complexity
HIGH
Authentication
NONE
Confidentiality Impact
PARTIAL
Integrity Impact
NONE
Availability Impact
NONE
AV:N/AC:H/Au:N/C:P/I:N/A:N
5.3 Medium
CVSS3
Attack Vector
NETWORK
Attack Complexity
HIGH
Privileges Required
NONE
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
NONE
Availability Impact
NONE
CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:N/A:N
0.008 Low
EPSS
Percentile
81.6%